Well, had to wait for a few of my wife's projects to get evicted from the garage, but finally had a chance to take everything off and replace the sensors. This is what I found behind the crankshaft pully...
So, I'm hoping that's what it is, will find out tomorrow when I put it all back together.
Several years ago I bought a 1994 Montero SR that had some issues passing emissions in Arizona with about 150k miles on it. I replaced the Valve Stem Seals, replaced the timing gear, spark plugs, plug wires and pretty much anything else that was on the maintenance schedule for >90k miles. I...